Worthington, OH, United States of America

Liqui-box/b-Bar-B Corporation

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 226

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4 inventors (with patents filed for the assignee):

Craig L Duffey (2 out of 7 patents)

Roger J Gerdeman (1 out of 11 patents)

M Stephen Tschanen (1 out of 5 patents)

4. Charles A Estadt (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5129212 - Method and apparatus for automatically filling and sterilizing containers (1992-07-14),

2. 5114670 - Process for sterilizing surfaces (1992-05-19),

3. 5037002 - Integral self-supporting and recyclable liquid container (1991-08-06),

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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#11 in Worthington, OH

#2,864 in Ohio

#73,904 in US

Worthington, OH, United States of America

Liqui-box/b-Bar-B Corporation

Forward Citations = 226

4 inventors:

Craig L Duffey (2 out of 7 patents)

Roger J Gerdeman (1 out of 11 patents)

M Stephen Tschanen (1 out of 5 patents)

4. Charles A Estadt (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Liqui-box/b-Bar-B Corporation. Retrieved from https://idiyas.com/company/liqui-box-b-bar-b

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]